Geometric transforms on parallel architecture

Abstract

This paper shows that geometric transforms may be performed on a Line Processor with performances satisfying actual real-time constraints. In order to parallelize such transforms on the Line Processor SYMPATI 2 we take advantage of its access capabilities for processing the image either in a row by row or in a column by column fashion. These capabilities allow us to decompose image transforms into 2 steps. The first one performs a x-constant transform, the second one a y-constant transform. This decomposition makes it possible to obtain very attractive processing times in comparison with those provided by wired operators.